
package com.example.tests;

import java.util.Random;
import org.testng.annotations.Test;
import com.example.utils.SortedListOf;
import static org.junit.Assert.assertThat;
import static org.hamcrest.Matchers.*;

public class ContactModificationTests extends TestBase {

        @Test(dataProvider = "randomValidContactGenerator")
        public void modifySomeContact(ContactData contact){
                //save old state
                SortedListOf<ContactData> oldList = app.getContactHelper().getContacts();
                
                Random rnd = new Random();
                int index = rnd.nextInt(oldList.size() - 1);
                
                //actions
                app.getContactHelper().modifyContact(contact, index);
                
                //save new state
                SortedListOf<ContactData> newList = app.getContactHelper().getContacts();
                
                //compare states
                assertThat(newList, equalTo(oldList.without(index).withAdded(contact)));
        }
}